GB2577602B - Variable power amplifier bias impedance - Google Patents
Variable power amplifier bias impedance Download PDFInfo
- Publication number
- GB2577602B GB2577602B GB1910946.1A GB201910946A GB2577602B GB 2577602 B GB2577602 B GB 2577602B GB 201910946 A GB201910946 A GB 201910946A GB 2577602 B GB2577602 B GB 2577602B
- Authority
- GB
- United Kingdom
- Prior art keywords
- power amplifier
- variable power
- amplifier bias
- bias impedance
- impedance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/191—Tuned amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
- H03F3/3432—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with bipolar transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862713150P | 2018-08-01 | 2018-08-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201910946D0 GB201910946D0 (en) | 2019-09-11 |
GB2577602A GB2577602A (en) | 2020-04-01 |
GB2577602B true GB2577602B (en) | 2023-01-18 |
Family
ID=67990341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1910946.1A Active GB2577602B (en) | 2018-08-01 | 2019-07-31 | Variable power amplifier bias impedance |
Country Status (8)
Country | Link |
---|---|
US (3) | US11165392B2 (ko) |
JP (2) | JP2020022163A (ko) |
KR (1) | KR20200014711A (ko) |
CN (1) | CN110798161A (ko) |
DE (1) | DE102019211485A1 (ko) |
GB (1) | GB2577602B (ko) |
SG (1) | SG10201907067WA (ko) |
TW (1) | TWI834698B (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10879854B2 (en) | 2018-01-26 | 2020-12-29 | Skyworks Solutions, Inc. | Universal memory-based model for nonlinear power amplifier behaviors |
SG10201907067WA (en) | 2018-08-01 | 2020-03-30 | Skyworks Solutions Inc | Variable power amplifier bias impedance |
US11916517B2 (en) | 2019-04-23 | 2024-02-27 | Skyworks Solutions, Inc. | Saturation detection of power amplifiers |
JP2021078020A (ja) * | 2019-11-11 | 2021-05-20 | 株式会社村田製作所 | 電力増幅モジュール |
CN111371416B (zh) * | 2020-03-18 | 2024-04-30 | 锐石创芯(深圳)科技股份有限公司 | 一种可切换输出阻抗的偏置网络、控制方法及功率放大器系统 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0878904A2 (en) * | 1997-05-16 | 1998-11-18 | Matsushita Electric Industrial Co., Ltd. | A power amplifier with an idle current trimmed and a method of trimming the power amplifier |
US6771130B2 (en) * | 2000-09-07 | 2004-08-03 | Sharp Kabushiki Kaisha | Power amplifier and radio communication apparatus using the same |
US20110070848A1 (en) * | 2009-09-21 | 2011-03-24 | Broadcom Corporation | Dynamic stability, gain, efficiency and impedance control in a linear/non-linear CMOS power amplifier |
US20150105033A1 (en) * | 2013-10-11 | 2015-04-16 | Skyworks Solutions, Inc. | Apparatus and methods for phase compensation in power amplifiers |
JP2015222878A (ja) * | 2014-05-22 | 2015-12-10 | 株式会社村田製作所 | 電力増幅モジュール |
US9337787B2 (en) * | 2013-06-19 | 2016-05-10 | Rf Micro Devices, Inc. | Power amplifier with improved low bias mode linearity |
US20180191308A1 (en) * | 2016-12-30 | 2018-07-05 | Richwave Technology Corp. | Amplifier device |
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US5646573A (en) | 1995-02-28 | 1997-07-08 | Anadigics, Inc. | Automatic gain-control transimpedence amplifier |
JPH0951238A (ja) | 1995-08-09 | 1997-02-18 | Mitsubishi Electric Corp | マイクロ波増幅器回路 |
JPH10290129A (ja) * | 1997-04-11 | 1998-10-27 | Sony Corp | 高周波増幅器 |
US6339361B1 (en) | 1999-06-09 | 2002-01-15 | Conexant Systems, Inc. | Power amplifier driver system for wireless handset |
US6559722B1 (en) | 1999-08-10 | 2003-05-06 | Anadigics, Inc. | Low bias current/temperature compensation current mirror for linear power amplifier |
JP2001068950A (ja) * | 1999-08-31 | 2001-03-16 | Nec Corp | ゲートバイアス回路 |
JP4604299B2 (ja) * | 2000-01-28 | 2011-01-05 | ソニー株式会社 | 信号処理回路およびバイアス調整回路 |
US6784748B1 (en) | 2000-02-24 | 2004-08-31 | Skyworks Solutions, Inc. | Power amplifying system with supply and bias enhancements |
US6617928B2 (en) | 2000-10-06 | 2003-09-09 | Skyworks Solutions, Inc. | Configurable power amplifier and bias control |
US6424225B1 (en) | 2000-11-27 | 2002-07-23 | Conexant Systems, Inc. | Power amplifier circuit for providing constant bias current over a wide temperature range |
US6496073B2 (en) | 2001-03-26 | 2002-12-17 | Skyworks Solutions, Inc. | Digitally controlled bias circuit for amplifiers |
US6639465B2 (en) | 2001-03-27 | 2003-10-28 | Skyworks Solutions, Inc. | Dynamic bias for a power amplifier |
US6404284B1 (en) | 2001-04-19 | 2002-06-11 | Anadigics, Inc. | Amplifier bias adjustment circuit to maintain high-output third-order intermodulation distortion performance |
US6753734B2 (en) | 2001-06-06 | 2004-06-22 | Anadigics, Inc. | Multi-mode amplifier bias circuit |
TW564592B (en) * | 2002-03-22 | 2003-12-01 | Wistron Corp | Amplification circuit for restricting output signal amplitude supplied to a speaker |
US6961554B1 (en) | 2002-09-23 | 2005-11-01 | Skyworks Solutions, Inc. | Power amplifier including a desensitized bias circuit |
US7218170B1 (en) * | 2003-05-23 | 2007-05-15 | Broadcom Corporation | Multi-pole current mirror filter |
TWI261413B (en) * | 2003-06-11 | 2006-09-01 | Delta Electronics Inc | Bias circuit for improving linearity of a radio frequency power amplifier |
US6946911B2 (en) | 2003-08-08 | 2005-09-20 | Skyworks Solutions, Inc. | Temperature-insensitive bias circuit for high-power amplifiers |
US6873211B1 (en) | 2003-09-10 | 2005-03-29 | Skyworks Solutions, Inc. | Multi-mode bias circuit for power amplifiers |
US7262657B2 (en) | 2005-03-21 | 2007-08-28 | Skyworks Solutions, Inc. | Bias control for reducing amplifier power consumption and maintaining linearity |
US7248111B1 (en) | 2005-04-14 | 2007-07-24 | Anadigics, Inc | Multi-mode digital bias control for enhancing power amplifier efficiency |
US7276973B2 (en) | 2005-06-29 | 2007-10-02 | Skyworks Solutions, Inc. | Automatic bias control circuit for linear power amplifiers |
US7446612B2 (en) | 2006-09-08 | 2008-11-04 | Skyworks Solutions, Inc. | Amplifier feedback and bias configuration |
KR100930200B1 (ko) * | 2007-03-29 | 2009-12-07 | 삼성전기주식회사 | 선형화기를 구비한 전력 증폭기 |
JP2010278521A (ja) * | 2009-05-26 | 2010-12-09 | Mitsubishi Electric Corp | 電力増幅器 |
US7876157B1 (en) | 2009-08-04 | 2011-01-25 | Skyworks Solutions, Inc. | Power amplifier bias circuit having controllable current profile |
US8417196B2 (en) | 2010-06-07 | 2013-04-09 | Skyworks Solutions, Inc. | Apparatus and method for directional coupling |
US8497736B1 (en) | 2010-11-01 | 2013-07-30 | Anadigics, Inc. | Direct DC coupled push-pull BJT driver for power amplifier with built-in gain and bias current signal dependent expansion |
JP5708190B2 (ja) * | 2011-04-18 | 2015-04-30 | 株式会社村田製作所 | 高周波増幅回路、無線装置 |
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CN104508975B (zh) | 2012-06-14 | 2018-02-16 | 天工方案公司 | 工艺补偿的hbt功率放大器偏置电路和方法 |
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SG10201907067WA (en) | 2018-08-01 | 2020-03-30 | Skyworks Solutions Inc | Variable power amplifier bias impedance |
-
2019
- 2019-07-31 SG SG10201907067WA patent/SG10201907067WA/en unknown
- 2019-07-31 GB GB1910946.1A patent/GB2577602B/en active Active
- 2019-07-31 TW TW108127270A patent/TWI834698B/zh active
- 2019-07-31 JP JP2019141014A patent/JP2020022163A/ja active Pending
- 2019-07-31 US US16/527,594 patent/US11165392B2/en active Active
- 2019-08-01 DE DE102019211485.7A patent/DE102019211485A1/de active Pending
- 2019-08-01 KR KR1020190093727A patent/KR20200014711A/ko active Search and Examination
- 2019-08-01 CN CN201910706253.3A patent/CN110798161A/zh active Pending
-
2021
- 2021-09-28 US US17/487,933 patent/US11894808B2/en active Active
-
2023
- 2023-11-10 US US18/388,750 patent/US20240079997A1/en active Pending
-
2024
- 2024-02-15 JP JP2024021031A patent/JP2024063040A/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0878904A2 (en) * | 1997-05-16 | 1998-11-18 | Matsushita Electric Industrial Co., Ltd. | A power amplifier with an idle current trimmed and a method of trimming the power amplifier |
US6771130B2 (en) * | 2000-09-07 | 2004-08-03 | Sharp Kabushiki Kaisha | Power amplifier and radio communication apparatus using the same |
US20110070848A1 (en) * | 2009-09-21 | 2011-03-24 | Broadcom Corporation | Dynamic stability, gain, efficiency and impedance control in a linear/non-linear CMOS power amplifier |
US9337787B2 (en) * | 2013-06-19 | 2016-05-10 | Rf Micro Devices, Inc. | Power amplifier with improved low bias mode linearity |
US20150105033A1 (en) * | 2013-10-11 | 2015-04-16 | Skyworks Solutions, Inc. | Apparatus and methods for phase compensation in power amplifiers |
JP2015222878A (ja) * | 2014-05-22 | 2015-12-10 | 株式会社村田製作所 | 電力増幅モジュール |
US20180191308A1 (en) * | 2016-12-30 | 2018-07-05 | Richwave Technology Corp. | Amplifier device |
Also Published As
Publication number | Publication date |
---|---|
US20200044609A1 (en) | 2020-02-06 |
CN110798161A (zh) | 2020-02-14 |
US20220021340A1 (en) | 2022-01-20 |
KR20200014711A (ko) | 2020-02-11 |
SG10201907067WA (en) | 2020-03-30 |
US11894808B2 (en) | 2024-02-06 |
US11165392B2 (en) | 2021-11-02 |
JP2020022163A (ja) | 2020-02-06 |
US20240079997A1 (en) | 2024-03-07 |
DE102019211485A1 (de) | 2020-02-06 |
GB2577602A (en) | 2020-04-01 |
TW202027410A (zh) | 2020-07-16 |
TWI834698B (zh) | 2024-03-11 |
JP2024063040A (ja) | 2024-05-10 |
GB201910946D0 (en) | 2019-09-11 |
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